Thus, the quartet will all promote the new Viva Glam VI Lipstick and Lipglass, profit of which will be donated to M.A.C HIV and AIDS programs, including treatment, education and daily necessities.

On their choosing as the product spokespeople, John Demsey, global president of MAC and chairman of the MAC AIDS Fund, said this year's models were chosen for their personal commitment to the fight against AIDS.

The new VIVA GLAM VI Lipstick and Lipglass will be available starting September 6th at M.A.C locations worldwide.